[INFO] cloning repository https://github.com/malbarbo/mstcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malbarbo/mstcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalbarbo%2Fmstcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalbarbo%2Fmstcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b48336773edbf87006d19a226845ad21156b86fe
[INFO] checking malbarbo/mstcc against nightly-2024-02-05 for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalbarbo%2Fmstcc" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malbarbo/mstcc on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/malbarbo/mstcc
[INFO] finished tweaking git repo https://github.com/malbarbo/mstcc
[INFO] tweaked toml for git repo https://github.com/malbarbo/mstcc written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/malbarbo/mstcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking malbarbo/mstcc against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalbarbo%2Fmstcc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malbarbo/mstcc on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/malbarbo/mstcc
[INFO] finished tweaking git repo https://github.com/malbarbo/mstcc
[INFO] tweaked toml for git repo https://github.com/malbarbo/mstcc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/malbarbo/mstcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking malbarbo/mstcc against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalbarbo%2Fmstcc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malbarbo/mstcc on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/malbarbo/mstcc
[INFO] finished tweaking git repo https://github.com/malbarbo/mstcc
[INFO] tweaked toml for git repo https://github.com/malbarbo/mstcc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/malbarbo/mstcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fera-unionfind v0.1.0
[INFO] [stderr]   Downloaded env_logger v0.5.9
[INFO] [stderr]   Downloaded fera v0.1.0
[INFO] [stderr]   Downloaded fera-fun v0.1.0
[INFO] [stderr]   Downloaded fera-optional v0.1.1
[INFO] [stderr]   Downloaded fera-ext v0.1.0
[INFO] [stderr]   Downloaded fera-graph v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e2ea59395bd3c7612f681adbb3c27f7207913d9600b47e203ccfd7e1d9a6b97
[INFO] running `Command { std: "docker" "start" "-a" "2e2ea59395bd3c7612f681adbb3c27f7207913d9600b47e203ccfd7e1d9a6b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e2ea59395bd3c7612f681adbb3c27f7207913d9600b47e203ccfd7e1d9a6b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2ea59395bd3c7612f681adbb3c27f7207913d9600b47e203ccfd7e1d9a6b97", kill_on_drop: false }`
[INFO] [stdout] 2e2ea59395bd3c7612f681adbb3c27f7207913d9600b47e203ccfd7e1d9a6b97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunexpected_cfgs" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 5f3be6aaee7d3c2c86312c21e6244db213eac9f3789c4619d004a177bf1cef40
[INFO] running `Command { std: "docker" "start" "-a" "5f3be6aaee7d3c2c86312c21e6244db213eac9f3789c4619d004a177bf1cef40", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking fera-unionfind v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking fera-fun v0.1.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking env_logger v0.5.9
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking fera-optional v0.1.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking fera-ext v0.1.0
[INFO] [stderr]     Checking fera-graph v0.1.1
[INFO] [stderr]     Checking fera v0.1.0
[INFO] [stderr]     Checking mstcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input.rs:13:68
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn read_sammer_urrutia(file: &str) -> Result<MstCcProblem, Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn read_sammer_urrutia(file: &str) -> Result<MstCcProblem, Box<dyn Error>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input.rs:13:68
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn read_sammer_urrutia(file: &str) -> Result<MstCcProblem, Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn read_sammer_urrutia(file: &str) -> Result<MstCcProblem, Box<dyn Error>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "5f3be6aaee7d3c2c86312c21e6244db213eac9f3789c4619d004a177bf1cef40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3be6aaee7d3c2c86312c21e6244db213eac9f3789c4619d004a177bf1cef40", kill_on_drop: false }`
[INFO] [stdout] 5f3be6aaee7d3c2c86312c21e6244db213eac9f3789c4619d004a177bf1cef40
